/Engine/Source/Runtime/UMG/Public/Components/OverlaySlot.h
Slot for theUOverlaypanel. Allows content to be hover above other content.
class UOverlaySlot : public [UPanelSlot](API\Runtime\UMG\Components\UPanelSlot)
SOverlay::FOver...
Slot
A raw pointer to the slot to allow us to adjust the size, padding...etc at runtime.